Definition of Medullosa in English:

Medullosa

noun ˌmɛdəˈləʊsə

Botany

A genus (or form genus) of fossil plant stem found in Carboniferous and Permian deposits; the extinct seed-bearing tree fern (pteridosperm) from which such remains are derived.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Medullosa from classical Latin medulla + -ōsa, feminine of -ōsus.

Definition of Medullosa in US English:

Medullosa

nounˌmɛdəˈləʊsə

Botany

A genus (or form genus) of fossil plant stem found in Carboniferous and Permian deposits; the extinct seed-bearing tree fern (pteridosperm) from which such remains are derived.

Origin

Late 19th century; earliest use found in American Naturalist. From scientific Latin Medullosa from classical Latin medulla + -ōsa, feminine of -ōsus.

词汇	Medullosa
释义	Definition of Medullosa in English: Medullosa noun ˌmɛdəˈləʊsə Botany A genus (or form genus) of fossil plant stem found in Carboniferous and Permian deposits; the extinct seed-bearing tree fern (pteridosperm) from which such remains are derived. Origin Late 19th century; earliest use found in American Naturalist. From scientific Latin Medullosa from classical Latin medulla + -ōsa, feminine of -ōsus. Definition of Medullosa in US English: Medullosa nounˌmɛdəˈləʊsə Botany A genus (or form genus) of fossil plant stem found in Carboniferous and Permian deposits; the extinct seed-bearing tree fern (pteridosperm) from which such remains are derived. Origin Late 19th century; earliest use found in American Naturalist. From scientific Latin Medullosa from classical Latin medulla + -ōsa, feminine of -ōsus.
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